Technische Universität Berlin invites applications for a Research Assistant position in quantum cryptography. The role involves simulating quantum communication protocols, developing hybrid quantum–classical communication systems, and conducting hardware-related security analysis. Responsibilities include close collaboration with experimental research groups and industry partners, as well as organizing outreach activities such as workshops and public events. Applicants must hold a Master’s degree in physics, mathematics, or computer science with knowledge of quantum information theory and Python programming. Experience in simulating advanced quantum communication protocols is desirable. The position offers participation in cutting-edge research within an interdisciplinary quantum technology environment.